Homework of video of roman architecture

we know roman architecture is

1. the biggest scale organization
2. the pantheon survived 2000 years
3. the columns are 12 meters high and 50 tons weight
4. the marble is from Greece, it is over 30 tons hang up to 15 meters above the ground
5. Roman used an A Frame to move things up
6. they used a new material—–concrete
7. The doom of pantheon used the concrete to build
8. the inside diameter of the doom is 44 meters
9. the doom contain 5000 tons of concrete